/*
 * Copyright (c) 2005 Stanford University. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the
 *   distribution.
 * - Neither the name of the copyright holder nor the names of
 *   its contributors may be used to endorse or promote products derived
 *   from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 * OF THE POSSIBILITY OF SUCH DAMAGE.
 */

/**
 * The TOSSIM-specific timer interface needed to notify when the state
 * of the underlying timer has changed. E.g., if a compare is built on top
 * of the timer, but someone sets the counter register, the compare will need
 * adjust its event timing.
 *
 * @date November 22 2005
 *
 * @author Philip Levis <pal@cs.stanford.edu>
 */

// $Id: HplAtm128TimerNotify.nc,v 1.5 2010-06-29 22:07:43 scipio Exp $/// $Id: HplAtm128Timer2C.nc,


interface HplAtm128TimerNotify {

  /**
   * Signaled whenever the state of the counter has changed. Dependent
   * abstractions should recalculate.
   */
   
  async event void changed();

  /**
   * Basic utility function so the counter itself can specify the
   * ticks pps. */
  
  async command sim_time_t clockTicksPerSec();

}

